Call a function: Difference between revisions

The task is to demonstrate the different syntax and semantics that the language may provideprovided for calling a function. This may include:

* Calling a function that utilizeswith optional arguments

* Calling a function with a variable number of arguments (varargs)

* Using a function in first -class context within an expression

* DemonstratingDistinguishing any differences that apply to calling builtinbuilt-in functions rather thanand user -defined functions

* Demonstrating differences between callingDistinguishing subroutines and functions, if these are separate cases within the language.

* StateStating whether arguments are passed by value or by reference

Note thisThis task is about methods of calling functions, ''not'' methods ofabout [[Function definition|defining functions]], which is a separate topic.